Home / 3,547,315.17-5,319,851.58-1,272,788.73

Finding the Fourth Proportional to 3,547,315.17, 5,319,851.58 and 1,272,788.73

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Solution

The fourth proportional to 3,547,315.17, 5,319,851.58 and 1,272,788.73 is: 1,908,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,315.17 : 5,319,851.58 = 1,272,788.73 : x
  2. Step 2: Convert to fraction form
    3,547,315.17/5,319,851.58 = 1,272,788.73/x
  3. Step 3: Cross multiply
    3,547,315.17x = 5,319,851.58 × 1,272,788.73
  4. Step 4: Simplify right side
    3,547,315.17x = 6,771,047,136,296.69
  5. Step 5: Solve for x
    x = 6,771,047,136,296.69/3,547,315.17
  6. Step 6: Final answer
    x = 1,908,780.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.